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1 | extern crate nihav_core; | |
2 | extern crate nihav_codec_support; | |
3 | extern crate nihav_registry; | |
4 | extern crate nihav_allstuff; | |
5 | ||
6 | use std::io::{SeekFrom, Write, BufReader}; | |
7 | use std::fs::File; | |
8 | use std::path::Path; | |
9 | use nihav_core::io::byteio::{FileReader, ByteReader}; | |
10 | use nihav_core::frame::*; | |
11 | use nihav_core::codecs::*; | |
12 | use nihav_core::demuxers::*; | |
13 | use nihav_codec_support::imgwrite::*; | |
14 | use nihav_registry::detect; | |
15 | use nihav_allstuff::*; | |
16 | use std::env; | |
17 | ||
18 | mod wavwriter; | |
19 | use crate::wavwriter::WavWriter; | |
20 | ||
21 | #[derive(Clone,Copy,PartialEq)] | |
22 | enum NumberMode { | |
23 | Counter, | |
24 | PktPTS, | |
25 | FrmPTS, | |
26 | } | |
27 | ||
28 | struct FrameOutput { | |
29 | prefix: String, | |
30 | streamno: usize, | |
31 | frameno: u64, | |
32 | nmode: NumberMode, | |
33 | } | |
34 | ||
35 | impl FrameOutput { | |
36 | fn output_frame(&mut self, pkt: &NAPacket, frm: NAFrameRef) { | |
37 | if frm.get_frame_type() != FrameType::Skip { | |
38 | let pts = match self.nmode { | |
39 | NumberMode::Counter => { self.frameno }, | |
40 | NumberMode::PktPTS => { pkt.get_pts().unwrap() }, | |
41 | NumberMode::FrmPTS => { if let Some(pt) = frm.get_pts() { pt } else { pkt.get_pts().unwrap() } }, | |
42 | }; | |
43 | if let Err(_) = write_pnm(&self.prefix, self.streamno, pts, frm) { | |
44 | println!("error writing output picture"); | |
45 | } | |
46 | } | |
47 | self.frameno += 1; | |
48 | } | |
49 | } | |
50 | ||
51 | struct AudioOutput { | |
52 | wwr: WavWriter<'static>, | |
53 | wrote_header: bool, | |
54 | } | |
55 | ||
56 | impl AudioOutput { | |
57 | fn new(name: &str) -> Self { Self { wwr: WavWriter::new(name), wrote_header: false } } | |
58 | fn output_frame(&mut self, _pkt: &NAPacket, frm: NAFrameRef) { | |
59 | if !self.wrote_header { | |
60 | self.wwr.write_header(frm.get_info().as_ref().get_properties().get_audio_info().unwrap()).unwrap(); | |
61 | self.wrote_header = true; | |
62 | } | |
63 | self.wwr.write_frame(frm.get_buffer()).unwrap(); | |
64 | } | |
65 | } | |
66 | ||
67 | enum Outputter { | |
68 | Video(FrameOutput), | |
69 | Audio(AudioOutput), | |
70 | None, | |
71 | } | |
72 | ||
73 | fn main() { | |
74 | let args: Vec<_> = env::args().collect(); | |
75 | ||
76 | if args.len() == 1 { | |
77 | println!("usage: nihav-tool [-noout] [-vn] [-an] input [endtime]"); | |
78 | println!(" or invoke nihav-tool --help for more detailed information"); | |
79 | return; | |
80 | } | |
81 | if args.len() == 2 && args[1] == "--help" { | |
82 | println!("usage: nihav-tool [options] input [endtime]"); | |
83 | println!("available options:"); | |
84 | println!(" -noout - decode but do not write output"); | |
85 | println!(" -an - do not decode audio streams"); | |
86 | println!(" -vn - do not decode video streams"); | |
87 | println!(" -nm={{count,pktpts,frmpts}} - use counter/frame PTS/decoded PTS as output image number"); | |
88 | println!(" -skip={{key,intra}} - decode only reference frames (I-/P-) or intra frames only"); | |
89 | println!(" -seek time - try seeking to the given time before starting decoding"); | |
90 | println!(" -apfx/-vpfx prefix - use given prefix when creating output audio/video files instead of default 'out'"); | |
91 | println!(" -ignerr - keep decoding even if decoding error is encountered"); | |
92 | println!(" -dumpfrm - dump raw frame data for all streams"); | |
93 | println!(" endtime - decoding end time, can be given either as time (hh:mm:ss.ms) or as a timestamp (e.g. 42pts)"); | |
94 | return; | |
95 | } | |
96 | let mut lastpts = NATimePoint::None; | |
97 | let mut cur_arg: usize = 1; | |
98 | let mut noout = false; | |
99 | let mut decode_video = true; | |
100 | let mut decode_audio = true; | |
101 | let mut nmode = NumberMode::FrmPTS; | |
102 | let mut smode = FrameSkipMode::None; | |
103 | let mut seek_time = NATimePoint::None; | |
104 | let mut vpfx: Option<String> = None; | |
105 | let mut apfx: Option<&str> = None; | |
106 | let mut ignore_errors = false; | |
107 | let mut dump_frames = false; | |
108 | ||
109 | while (cur_arg < args.len()) && args[cur_arg].starts_with('-') { | |
110 | match args[cur_arg].as_str() { | |
111 | "--" => { break; }, | |
112 | "-noout" => { noout = true; }, | |
113 | "-an" => { decode_audio = false; }, | |
114 | "-vn" => { decode_video = false; }, | |
115 | "-nm=count" => { nmode = NumberMode::Counter; }, | |
116 | "-nm=pktpts" => { nmode = NumberMode::PktPTS; }, | |
117 | "-nm=frmpts" => { nmode = NumberMode::FrmPTS; }, | |
118 | "-skip=key" => { smode = FrameSkipMode::KeyframesOnly; }, | |
119 | "-skip=intra" => { smode = FrameSkipMode::IntraOnly; }, | |
120 | "-seek" => { | |
121 | cur_arg += 1; | |
122 | if cur_arg == args.len() { | |
123 | println!("seek time missing"); | |
124 | return; | |
125 | } | |
126 | let ret = args[cur_arg].parse::<NATimePoint>(); | |
127 | if ret.is_err() { | |
128 | println!("wrong seek time"); | |
129 | return; | |
130 | } | |
131 | seek_time = ret.unwrap(); | |
132 | }, | |
133 | "-apfx" => { | |
134 | cur_arg += 1; | |
135 | if cur_arg == args.len() { | |
136 | println!("name missing"); | |
137 | return; | |
138 | } | |
139 | apfx = Some(&args[cur_arg]); | |
140 | }, | |
141 | "-vpfx" => { | |
142 | cur_arg += 1; | |
143 | if cur_arg == args.len() { | |
144 | println!("name missing"); | |
145 | return; | |
146 | } | |
147 | vpfx = Some(args[cur_arg].clone()); | |
148 | }, | |
149 | "-ignerr" => { ignore_errors = true; }, | |
150 | "-dumpfrm" => { dump_frames = true; }, | |
151 | _ => { println!("unknown option {}", args[cur_arg]); return; }, | |
152 | } | |
153 | cur_arg += 1; | |
154 | } | |
155 | let name = args[cur_arg].as_str(); | |
156 | cur_arg += 1; | |
157 | if cur_arg < args.len() { | |
158 | let ret = args[cur_arg].parse::<NATimePoint>(); | |
159 | if ret.is_err() { | |
160 | println!("cannot parse end time"); | |
161 | return; | |
162 | } | |
163 | lastpts = ret.unwrap(); | |
164 | } | |
165 | ||
166 | let path = Path::new(name); | |
167 | let file = File::open(path).unwrap(); | |
168 | let mut file = BufReader::new(file); | |
169 | let dmx_fact; | |
170 | let mut fr = FileReader::new_read(&mut file); | |
171 | let mut br = ByteReader::new(&mut fr); | |
172 | let res = detect::detect_format(name, &mut br); | |
173 | if res.is_none() { | |
174 | println!("cannot detect format for {}", name); | |
175 | return; | |
176 | } | |
177 | let (dmx_name, _) = res.unwrap(); | |
178 | println!("trying demuxer {} on {}", dmx_name, name); | |
179 | ||
180 | let mut dmx_reg = RegisteredDemuxers::new(); | |
181 | nihav_register_all_demuxers(&mut dmx_reg); | |
182 | let mut dec_reg = RegisteredDecoders::new(); | |
183 | nihav_register_all_decoders(&mut dec_reg); | |
184 | ||
185 | dmx_fact = dmx_reg.find_demuxer(dmx_name).unwrap(); | |
186 | br.seek(SeekFrom::Start(0)).unwrap(); | |
187 | let mut dmx = create_demuxer(dmx_fact, &mut br).unwrap(); | |
188 | ||
189 | if seek_time != NATimePoint::None { | |
190 | let ret = dmx.seek(seek_time); | |
191 | if ret.is_err() { | |
192 | println!(" seek error {:?}", ret.err().unwrap()); | |
193 | } | |
194 | } | |
195 | ||
196 | let mut decs: Vec<Option<(Box<NADecoderSupport>, Box<dyn NADecoder>)>> = Vec::new(); | |
197 | let mut sids: Vec<u32> = Vec::new(); | |
198 | let mut writers: Vec<Outputter> = Vec::new(); | |
199 | let dec_opts = [NAOption{name: FRAME_SKIP_OPTION, value: NAValue::String(smode.to_string())}]; | |
200 | for i in 0..dmx.get_num_streams() { | |
201 | let s = dmx.get_stream(i).unwrap(); | |
202 | let info = s.get_info(); | |
203 | let decfunc = dec_reg.find_decoder(info.get_name()); | |
204 | println!("stream {} - {} {}", i, s, info.get_name()); | |
205 | let str_id = s.get_id(); | |
206 | let mut has_out = false; | |
207 | sids.push(str_id); | |
208 | if info.is_video() { | |
209 | if decode_video { | |
210 | if decfunc.is_none() { | |
211 | println!("no video decoder found!"); | |
212 | return; | |
213 | } | |
214 | let mut dec = (decfunc.unwrap())(); | |
215 | let mut dsupp = Box::new(NADecoderSupport::new()); | |
216 | dec.init(&mut dsupp, info).unwrap(); | |
217 | dec.set_options(&dec_opts); | |
218 | decs.push(Some((dsupp, dec))); | |
219 | if !noout { | |
220 | writers.push(Outputter::Video(FrameOutput{prefix: if let Some(ref str) = vpfx { str.clone() } else { "out".to_string() }, streamno: i, frameno: 1, nmode})); | |
221 | has_out = true; | |
222 | } | |
223 | } else { | |
224 | decs.push(None); | |
225 | } | |
226 | } else if info.is_audio() { | |
227 | if decode_audio { | |
228 | if decfunc.is_none() { | |
229 | println!("no audio decoder found!"); | |
230 | return; | |
231 | } | |
232 | let mut dec = (decfunc.unwrap())(); | |
233 | let mut dsupp = Box::new(NADecoderSupport::new()); | |
234 | dec.init(&mut dsupp, info).unwrap(); | |
235 | decs.push(Some((dsupp, dec))); | |
236 | if !noout { | |
237 | let name = if let Some(apfx) = apfx { | |
238 | format!("{}{:02}.wav", apfx, i) | |
239 | } else { | |
240 | format!("out{:02}.wav", i) | |
241 | }; | |
242 | writers.push(Outputter::Audio(AudioOutput::new(&name))); | |
243 | has_out = true; | |
244 | } | |
245 | } else { | |
246 | decs.push(None); | |
247 | } | |
248 | } else { | |
249 | decs.push(None); | |
250 | } | |
251 | if !has_out { | |
252 | writers.push(Outputter::None); | |
253 | } | |
254 | } | |
255 | ||
256 | let mut frmnum = 0; | |
257 | loop { | |
258 | let pktres = dmx.get_frame(); | |
259 | if let Err(e) = pktres { | |
260 | if e == DemuxerError::EOF { break; } | |
261 | } | |
262 | let pkt = pktres.unwrap(); | |
263 | let streamno = pkt.get_stream().get_id(); | |
264 | let sr = sids.iter().position(|x| *x == streamno); | |
265 | let idx = sr.unwrap(); | |
266 | if dump_frames { | |
267 | let name = format!("out{:02}_{:08}.frm", streamno, pkt.get_pts().unwrap_or(frmnum)); | |
268 | let mut ofile = File::create(name).unwrap(); | |
269 | ofile.write(pkt.get_buffer().as_slice()).unwrap(); | |
270 | frmnum += 1; | |
271 | } | |
272 | if let Some((ref mut dsupp, ref mut dec)) = decs[idx] { | |
273 | match dec.decode(dsupp, &pkt) { | |
274 | Ok(frm) => { | |
275 | if !noout { | |
276 | match writers[idx] { | |
277 | Outputter::Video(ref mut wr) => { wr.output_frame(&pkt, frm); }, | |
278 | Outputter::Audio(ref mut wr) => { wr.output_frame(&pkt, frm); }, | |
279 | _ => {}, | |
280 | }; | |
281 | } | |
282 | }, | |
283 | Err(DecoderError::MissingReference) if seek_time != NATimePoint::None => { | |
284 | println!("ignoring missing ref"); | |
285 | }, | |
286 | Err(reason) => { | |
287 | println!("error decoding frame {:?}", reason); | |
288 | if !ignore_errors { | |
289 | break; | |
290 | } | |
291 | }, | |
292 | }; | |
293 | if pkt.get_pts() != None && lastpts != NATimePoint::None && !pkt.ts.less_than(lastpts) { break; } | |
294 | } | |
295 | } | |
296 | //panic!("end"); | |
297 | } |